[urgent] RFR: JDK-8141574: recent change for 8141543 breaks all builds

[Joseph D. Darcy]

Looks fine; thanks,

-Joe

On 11/5/2015 2:11 PM, Erik Joelsson wrote:
> Hello,
>
> Please review this fix for the current build break in jdk9-dev. It 
> seems initializing variables to the empty string in shell requires 
> quotes.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8141574
> Patch:
> diff -r 4ba17e992008 common/autoconf/flags.m4
> --- a/common/autoconf/flags.m4
> +++ b/common/autoconf/flags.m4
> @@ -945,9 +945,9 @@
>
>    if test "x$WARNINGS_AS_ERRORS" = "xfalse"; then
>      # Set legacy hotspot variable
> -    HOTSPOT_SET_WARNINGS_AS_ERRORS=WARNINGS_ARE_ERRORS=
> +    HOTSPOT_SET_WARNINGS_AS_ERRORS="WARNINGS_ARE_ERRORS="
>    else
> -    HOTSPOT_SET_WARNINGS_AS_ERRORS=
> +    HOTSPOT_SET_WARNINGS_AS_ERRORS=""
>    fi
>
>    AC_SUBST(WARNINGS_AS_ERRORS)
>
> /Erik